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经营范围
发明名称
TIME DIVISION TRUNK SYSTEM
摘要
申请公布号
JPS623595(A)
申请公布日期
1987.01.09
申请号
JP19850141538
申请日期
1985.06.29
申请人
OKI ELECTRIC IND CO LTD
发明人
OKAYASU MASAHARU;SAKIDA YASUHIKO;SAITO JINKO
分类号
H04Q11/04
主分类号
H04Q11/04
代理机构
代理人
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地址
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